diff --git a/backend/__tests__/integration/eventTypeSetupWindow.test.js b/backend/__tests__/integration/eventTypeSetupWindow.test.js
index 933c4b29..ef533414 100644
--- a/backend/__tests__/integration/eventTypeSetupWindow.test.js
+++ b/backend/__tests__/integration/eventTypeSetupWindow.test.js
@@ -11,8 +11,6 @@
  *   - reminder-template self-heal does NOT resurrect templates for slugs
  *     that no longer exist in the catalog
  *   - after markSetupWizardCompleted() → system deletion is refused again
- *   - resolveDefaultEventType never returns a hardcoded slug that the
- *     admin removed (contract→event conversion default, #800)
  */
 
 const { bootCrmDb } = require('./helpers/crmDb');
@@ -109,21 +107,6 @@ describe('event type deletion during the setup window (#800)', () => {
     expect(result.success).toBe(true);
   });
 
-  it('resolveDefaultEventType follows the catalog instead of hardcoding a slug', async () => {
-    // 'other' is active → preferred catch-all.
-    expect(await eventTypeService.resolveDefaultEventType()).toBe('other');
-
-    // Deactivate 'other' → falls over to the first active type by display order.
-    const other = await db('event_types').where({ slug_prefix: 'other' }).first();
-    await db('event_types').where({ id: other.id }).update({ is_active: 0 });
-    const resolved = await eventTypeService.resolveDefaultEventType();
-    expect(resolved).not.toBe('other');
-    const resolvedRow = await db('event_types').where({ slug_prefix: resolved }).first();
-    expect(resolvedRow).toBeTruthy();
-
-    await db('event_types').where({ id: other.id }).update({ is_active: 1 });
-  });
-
   it('fails closed when the completion marker row is missing', async () => {
     // A portable-backup restore can replace app_settings with a set that
     // predates migration 161 (which will not rerun) — absence must mean
diff --git a/backend/src/routes/v1/__tests__/events.create.test.js b/backend/src/routes/v1/__tests__/events.create.test.js
index c40d6724..a47b1daf 100644
--- a/backend/src/routes/v1/__tests__/events.create.test.js
+++ b/backend/src/routes/v1/__tests__/events.create.test.js
@@ -80,16 +80,7 @@ jest.mock('../../../services/webhookService', () => ({
   buildEventSubject: jest.fn().mockReturnValue({}),
 }));
 
-// event_type is validated against the live event_types catalog (#800) —
-// that lookup would consume the first queued db() chain and shift the
-// call sequence these tests pin. Stub it valid; the invalid path has its
-// own test below.
-jest.mock('../../../services/eventTypeService', () => ({
-  isValidEventType: jest.fn().mockResolvedValue(true),
-}));
-
 const { db } = require('../../../database/db');
-const { isValidEventType } = require('../../../services/eventTypeService');
 const eventsRouter = require('../events');
 
 const buildApp = () => {
@@ -240,16 +231,4 @@ describe('v1 POST /events — issue #550 (color_theme + feedback row)', () => {
       .send({ ...BASE_BODY, feedback_enabled: 'maybe' })
       .expect(400);
   });
-
-  it('rejects an event_type unknown to the catalog with 400 (#800)', async () => {
-    isValidEventType.mockResolvedValueOnce(false);
-    const res = await request(buildApp())
-      .post('/events')
-      .send({ ...BASE_BODY, event_type: 'nope' })
-      .expect(400);
-
-    expect(isValidEventType).toHaveBeenCalledWith('nope');
-    expect(JSON.stringify(res.body.errors)).toContain('event_type');
-    expect(db).not.toHaveBeenCalled();
-  });
 });
diff --git a/backend/src/routes/v1/events.js b/backend/src/routes/v1/events.js
index 0cba9a97..22a19b25 100644
--- a/backend/src/routes/v1/events.js
+++ b/backend/src/routes/v1/events.js
@@ -26,7 +26,6 @@ const logger = require('../../utils/logger');
 const { slugify } = require('../../utils/slug');
 const { formatBoolean } = require('../../utils/dbCompat');
 const { parseBooleanInput } = require('../../utils/parsers');
-const { isValidEventType } = require('../../services/eventTypeService');
 
 const router = express.Router();
 
@@ -81,7 +80,7 @@ const photoUpload = multer({
  *               event_name: { type: string }
  *               event_type:
  *                 type: string
- *                 description: "Slug of an active event type from the catalog (Settings → Event Types). Defaults on a fresh install: wedding, birthday, corporate, other. GET /api/v1/event-types lists the live values."
+ *                 enum: [wedding, birthday, corporate, other, family]
  *               event_date: { type: string, format: date, nullable: true }
  *               customer_name: { type: string, nullable: true }
  *               customer_email: { type: string, format: email, nullable: true }
@@ -118,14 +117,7 @@ router.post(
   requireApiScope('admin'),
   [
     body('event_name').isString().trim().notEmpty(),
-    // Validate against the live event_types catalog (admins can rename/delete
-    // the defaults and add custom types), not a hardcoded whitelist (#800).
-    body('event_type').isString().trim().notEmpty().bail().custom(async (value) => {
-      if (!(await isValidEventType(value))) {
-        throw new Error('Unknown event type — must match an active event type slug');
-      }
-      return true;
-    }),
+    body('event_type').isIn(['wedding', 'birthday', 'corporate', 'other', 'family']),
     body('event_date').optional({ nullable: true, checkFalsy: true }).isISO8601(),
     body('customer_name').optional({ nullable: true }).isString(),
     body('customer_email').optional({ nullable: true, checkFalsy: true }).isEmail(),
@@ -455,48 +447,6 @@ router.get(
   }
 );
 
-// ──────────────────────────────────────────────────────────────────────────
-// GET /event-types — read (catalog discovery for event creation, #800)
-// ──────────────────────────────────────────────────────────────────────────
-
-/**
- * @openapi
- * /event-types:
- *   get:
- *     tags: [Events]
- *     summary: List active event types
- *     description: The slugs accepted as `event_type` when creating events. The catalog is admin-customizable (Settings → Event Types), so integrations should discover values here instead of hardcoding them.
- *     security: [{ bearerAuth: [] }]
- *     responses:
- *       200:
- *         description: Active event types
- *         content:
- *           application/json:
- *             schema:
- *               type: object
- *               properties:
- *                 eventTypes:
- *                   type: array
- *                   items:
- *                     type: object
- *                     properties:
- *                       slug_prefix: { type: string }
- *                       name: { type: string }
- *                       emoji: { type: string }
- */
-router.get('/event-types', apiTokenAuth, requireApiScope('read'), async (req, res) => {
-  try {
-    const types = await db('event_types')
-      .where('is_active', formatBoolean(true))
-      .orderBy('display_order', 'asc')
-      .select('slug_prefix', 'name', 'emoji');
-    res.json({ eventTypes: types });
-  } catch (error) {
-    logger.error('v1 GET /event-types failed', { error: error.message });
-    res.status(500).json({ error: 'Failed to list event types' });
-  }
-});
-
 // ──────────────────────────────────────────────────────────────────────────
 // GET /events/:id — read
 // ──────────────────────────────────────────────────────────────────────────
diff --git a/backend/src/services/contract/conversions.js b/backend/src/services/contract/conversions.js
index 2b3548cb..23230383 100644
--- a/backend/src/services/contract/conversions.js
+++ b/backend/src/services/contract/conversions.js
@@ -11,7 +11,6 @@ const businessProfileService = require('../businessProfileService');
 const { ensureSystemBlocksSeeded } = require('../contractBlocksService');
 const { ensureInt } = require('../../utils/numericHelpers');
 const { adminActor, ensureCustomerActive, nextContractNumber } = require('./helpers');
-const { resolveDefaultEventType } = require('../eventTypeService');
 
 
 /**
@@ -222,12 +221,6 @@ async function convertToEvent(contractId, adminId) {
   const placeholderHash = crypto.randomBytes(32).toString('hex');
   const shareToken = crypto.randomBytes(32).toString('hex');
 
-  // Event type: the configurable org default, else the resolved catch-all —
-  // same chain as quoteService.convertToEvent. Never a hardcoded slug: the
-  // admin may have renamed or deleted 'wedding' (#800).
-  const eventType = (await getAppSetting('crm_default_event_type'))
-    || (await resolveDefaultEventType());
-
   const eventCols = await db('events').columnInfo();
   const candidate = {
     slug: `contract-${contract.contract_number.toLowerCase()}-${crypto.randomBytes(3).toString('hex')}`,
@@ -243,7 +236,7 @@ async function convertToEvent(contractId, adminId) {
     customer_email: customerEmail,
     customer_phone: customer.phone,
     admin_email: adminEmail,
-    event_type: eventType,
+    event_type: 'wedding',
     password_hash: placeholderHash,
     share_link: shareToken,
     share_token: shareToken,
diff --git a/backend/src/services/eventTypeService.js b/backend/src/services/eventTypeService.js
index d3c31630..a7d26798 100644
--- a/backend/src/services/eventTypeService.js
+++ b/backend/src/services/eventTypeService.js
@@ -428,28 +428,6 @@ const getEventTypeForSlug = async (eventTypeIdentifier) => {
   return { slug_prefix: 'event', theme_preset: 'default', emoji: '📷' };
 };
 
-/**
- * Resolve the fallback event type for document→event conversions (quotes,
- * contracts) when the source carries none. Never hardcodes a specific slug
- * (any of them, incl. 'other', can be disabled or deleted by the admin):
- * prefer the generic 'other' catch-all when it's active, else the first
- * active type by display order, and only fall back to the literal 'other'
- * if the catalog is somehow empty/unreadable.
- * @param {Object} [conn] - Optional knex connection/transaction
- * @returns {Promise<string>} - slug_prefix to use
- */
-const resolveDefaultEventType = async (conn) => {
-  const q = conn || db;
-  try {
-    const other = await q('event_types').where({ slug_prefix: 'other', is_active: formatBoolean(true) }).first('slug_prefix');
-    if (other) return 'other';
-    const firstActive = await q('event_types').where({ is_active: formatBoolean(true) }).orderBy('display_order', 'asc').first('slug_prefix');
-    return firstActive?.slug_prefix || 'other';
-  } catch (_) {
-    return 'other';
-  }
-};
-
 module.exports = {
   getAllEventTypes,
   getActiveEventTypes,
@@ -461,6 +439,5 @@ module.exports = {
   updateEventType,
   deleteEventType,
   reorderEventTypes,
-  getEventTypeForSlug,
-  resolveDefaultEventType
+  getEventTypeForSlug
 };
diff --git a/backend/src/services/quoteService.js b/backend/src/services/quoteService.js
index 91f7d906..d2fd5dc5 100644
--- a/backend/src/services/quoteService.js
+++ b/backend/src/services/quoteService.js
@@ -34,7 +34,6 @@ const { cleanNetMinor } = require('../utils/invoiceRounding');
 const { AppError } = require('../utils/errors');
 const { formatBoolean } = require('../utils/dbCompat');
 const { nextDocumentNumber } = require('../utils/documentSequences');
-const { resolveDefaultEventType } = require('./eventTypeService');
 const { formatShortDate } = require('../utils/dateFormatter');
 const businessProfileService = require('./businessProfileService');
 const { buildIssuerBlock, buildRecipientBlock } = require('./_renderContext');
@@ -309,6 +308,25 @@ async function nextQuoteNumber(trx) {
   return nextDocumentNumber('quote', 'crm_quotes_number_format', 'Q-{YEAR}-{SEQ:04d}', trx);
 }
 
+/**
+ * Resolve the fallback event type for a quote→event conversion when the quote
+ * itself carries none. Never hardcodes a specific slug (any of them, incl.
+ * 'other', can be disabled by the admin): prefer the generic 'other' catch-all
+ * when it's active, else the first active type by display order, and only fall
+ * back to the literal 'other' if the catalog is somehow empty/unreadable.
+ */
+async function resolveDefaultEventType(conn) {
+  const q = conn || db;
+  try {
+    const other = await q('event_types').where({ slug_prefix: 'other', is_active: true }).first('slug_prefix');
+    if (other) return 'other';
+    const firstActive = await q('event_types').where({ is_active: true }).orderBy('display_order', 'asc').first('slug_prefix');
+    return firstActive?.slug_prefix || 'other';
+  } catch (_) {
+    return 'other';
+  }
+}
+
 function ensureCustomerFeatureEnabled(customer, feature) {
   // Global toggle (`customer_feature_quotes_enabled` / `..._bills_enabled`)
   // is checked at the route layer (feature flag); here we only enforce